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General
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Target
b1a96491637227f123a51cc3d5484cb0
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Size
2.8MB
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Sample
231219-11g1xsheb8
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MD5
b1a96491637227f123a51cc3d5484cb0
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SHA1
0f3c2e73386d369e6e2166857514f7e133d74165
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SHA256
412e9f02a4f8be99894ebc8019ab7f767699e2cd7bb8a193a5384a249e7d9f65
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SHA512
1f3c21496998ff58c74399af0079048218f0fdb49f2f443e78c68665296429dfdc14b68c6a66179b27db365f0d9eb0400ae2cb9118949eeb48eead3fade3ded9
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SSDEEP
24576:5MMpXS0hN0V0HYSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0Np:qwi0L0q1VN0EG
Behavioral task
behavioral1
Sample
b1a96491637227f123a51cc3d5484cb0.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
b1a96491637227f123a51cc3d5484cb0.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
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Target
b1a96491637227f123a51cc3d5484cb0
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Size
2.8MB
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MD5
b1a96491637227f123a51cc3d5484cb0
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SHA1
0f3c2e73386d369e6e2166857514f7e133d74165
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SHA256
412e9f02a4f8be99894ebc8019ab7f767699e2cd7bb8a193a5384a249e7d9f65
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SHA512
1f3c21496998ff58c74399af0079048218f0fdb49f2f443e78c68665296429dfdc14b68c6a66179b27db365f0d9eb0400ae2cb9118949eeb48eead3fade3ded9
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SSDEEP
24576:5MMpXS0hN0V0HYSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0Np:qwi0L0q1VN0EG
Score10/10-
Modifies WinLogon for persistence
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Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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